IPX waterproof grade common sense ipx7ipx8 how is the international waterproof grade divided and tested?

The above picture shows a diving grade waterproof waist bag with air tightness. It is free from problems after soaking in water for 2 hours.

What is the waterproof level?

Waterproof grade is a very professional concept. For many friends who buy outdoor products, the marking of waterproof grade often makes people doubt, and the fuzziness of grade also makes people dare not judge whether to choose this product.

The protection grade is IP54, IP is the marking letter, the number 5 is the first marking number, 4 is the second marking number, the first marking number represents the contact protection and foreign object protection grade, and the second marking number represents the waterproof protection grade;

Contact protection and foreign object protection level (first digit)

Waterproof protection level (second digit)

Division of waterproof level

First number

Protection range

Second number

Protection range

name

explain

name

explain

0

Unprotected

0

Unprotected

- 1

Protect solid foreign bodies of 50mm diameter and larger

The detector, with a sphere diameter of 50mm, shall not enter completely

IPX waterproof grade common sense ipx7ipx8 what is the concept of international waterproof grade

1 water drop protection

Water droplets falling vertically shall not cause damage

2 protect solid foreign bodies with diameter of 12.5mm and larger

The diameter of the detector sphere is 12.5mm, and it shall not enter completely

2. When the cabinet is tilted by 15 degrees, protect against water droplets

When the cabinet tilts 15 degrees to either side, the water drops falling vertically shall not cause damage

3 protect solid foreign bodies with diameter of 2.5mm and larger

The diameter of the detector sphere is 2.5mm, and it shall not enter completely

3 protection against spilled water

Water splashed from both sides of the vertical line at an angle of 60 degrees shall not cause damage

4 protect solid foreign bodies with diameter of 1.0mm and larger

Detector, the sphere diameter is 1.0mm, and it shall not enter completely

4 protective water spray

The water spray aimed at the cabinet body from each direction shall not cause damage

5 dust protection

It is impossible to completely prevent the entry of dust, but the amount of dust will not cause damage to the equipment

5. The water jet aimed at the cabinet from each direction shall not cause damage

6 dust sealing

Dust shall not enter the cabinet at a low pressure of 20 mbar

6. Protection against strong water jet

The strong water jet aimed at the cabinet body from each direction shall not cause damage

Note: the diameter of the detector shall not pass through the hole of the cabinet

IPX waterproof grade common sense ipx7ipx8 what is the concept of international waterproof grade

The picture above shows a kind of podragon diving waist bag, lurker series.

7 protection against short-time immersion

When the cabinet is immersed in water for a short time under standard pressure, there shall be no water immersion that can cause damage

8 protection against long-term immersion

It can be immersed in water under specific conditions, and there should be no water immersion that can cause damage

IPX waterproof grade common sense ipx7ipx8 what is the concept of international waterproof grade

The figure above shows a kind of airtight zipper.

The pursuit of more professional equipment is a rigid demand for the safety of life and property of outdoor activists. We look forward to the creation of more powerful outdoor products.

Article source: baojielong outdoor products www.podragon.com com